1097254831 has 4 divisors (see below), whose sum is σ = 1097335872. Its totient is φ = 1097173792.

The previous prime is 1097254811. The next prime is 1097254841. The reversal of 1097254831 is 1384527901.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1097254831 - 2⁵ = 1097254799 is a prime.

It is a super-2 number, since 2×1097254831² = 2407936328305677122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097254811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14746 + ... + 49111.

It is an arithmetic number, because the mean of its divisors is an integer number (274333968).

Almost surely, 2^1097254831 is an apocalyptic number.

1097254831 is a deficient number, since it is larger than the sum of its proper divisors (81041).

1097254831 is an equidigital number, since it uses as much as digits as its factorization.

1097254831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81040.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1097254831 is about 33124.8370712974. The cubic root of 1097254831 is about 1031.4206778855.

The spelling of 1097254831 in words is "one billion, ninety-seven million, two hundred fifty-four thousand, eight hundred thirty-one".